WASHINGTON — Florida Sen. Marco Rubio is pinning his presidential hopes on the prospect that Republican voters will have the troubled world on their minds in the 2016 primaries — and that they’ll see a 43-year-old freshman lawmaker who argues...

What was once a chute for both human and material waste in Jerusalem has now proven to be a store of new information about Christian migrants to the city, and the pathogens they brought with them.
After years of excavation in Jerusalem’s...

A black flag belonging to the Islamic State is seen near the Syrian town of Kobani, as pictured from the Turkish-Syrian border near the southeastern town of Suruc in Sanliurfa province, October 6, 2014. Islamic State militants raised their flag on a...

The IRS says that more than 300,000 federal workers and retirees owe billions in back taxes. Photo by Ann Hermes / The Christian Science Monitor
WASHINGTON — Federal workers and retirees owed more than $3.5 billion in unpaid taxes last year, a $...